HEAD-TO-HEAD COMPARISON
Wolfbox G840H vs Rexing M2
We compare the Wolfbox G840H and Rexing M2 head-to-head on performance, features, value, and more. Here's which one wins.
Our Pick
Check Price on AmazonWolfbox G840H
Scored 8/10 in our testing
Score Breakdown
| Wolfbox G840H | Category | Rexing M2 |
|---|---|---|
| 7/10 | Performance | 7/10 |
| 7/10 | Features | 7/10 |
| 8/10 | Ease of Use | ✓ 9/10 |
| 10/10 ✓ | Value | 8/10 |
| 8/10 ✓ | Overall | 7.7/10 |
Specs Comparison
| Wolfbox G840H | Spec | Rexing M2 |
|---|---|---|
| 12" IPS | Display | 10" IPS |
| 4K | Front | 2.5K |
| 2.5K | Rear | 1080p |
| Parking mode, loop recording | Features | Auto-brightness, parking mode |
Wolfbox G840H
Pros
- + 4K front recording at a budget price
- + 12-inch display matches premium competitors
- + SD card included in the box
Cons
- − App is basic and occasionally buggy
- − Night quality below STARVIS-equipped rivals
- − GPS module sold separately
Rexing M2
Pros
- + 10-inch size better suited for compact cars
- + Auto-brightness transitions smoothly day to night
- + Clean and simple menu system
Cons
- − 1080p rear camera trails competitors
- − Fewer features than Vantrue M3
- − No GPS built-in
Our Verdict
Based on our scoring, the Wolfbox G840H comes out on top with an overall score of 8/10. The Wolfbox G840H delivers 4K front recording and a beautiful 12-inch display at a price that significantly undercuts the competition. Night footage is solid, and the included 32GB SD card gets you started immediately.
Buy the Wolfbox G840H on AmazonRead the full Best Dash Cam Mirror Replacements 2026 guide for complete reviews of all 3 products.